Elfred Pagan
Senior Staff Software Engineer at Airbnb
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolElfred Pagan is a Senior Staff Software Engineer in Austin with 15 years of experience building native mobile applications and complex client frameworks for companies like Airbnb, Instagram, Amazon, and Twitter. He has led cross-platform mapping and navigation efforts at Amazon (including a Mapbox fork and C++ turn-by-turn client) and driven iOS platform and automation improvements that cut CI times and increased app stability. Highly experienced in iOS engineering, he has contributed to the Mixpanel iPhone SDK by improving identifier generation, background handling, and memory management—practical open-source work that reflects a focus on reliability and telemetry. Elfred pairs hands-on systems design with mentorship, having led teams of engineers and built internal tooling to ship robust user-facing features. His background spans startups (Y Combinator-backed Stackq) to large enterprise systems at IBM, giving him a rare blend of product-driven shipping and deep infrastructure experience. He brings a pragmatic, metrics-minded approach to native app architecture and developer productivity.
15 years of coding experience
15 years of employment as a software developer
B.S, Computer Engineering, B.S, Computer Engineering at Universidad de Puerto Rico
Spanish
Stackoverflow
3,851reputation
317kreached
80answers
0questions
iphone
top-5%
objective-c
top-5%
ipad
top-5%
Github Skills (16)
objective-c10
mixpanel10
ios10
sdk10
api-design9
ipad9
iphone9
base64-encoding8
uitextview6
xcode6
uitableview6
multitasking6
cocoa-touch6
uikit6
cocoa6
Programming languages (3)
Github contributions (5)
mixpanel/mixpanel-iphone
Jul 2010 - May 2012
Official iOS (Objective-C) Tracking Library for Mixpanel Analytics
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:50 commits in 1 year 10 months
Contributions summary:Elfred focused on modifying and improving the iOS Mixpanel SDK. They refactored how the user's unique identifier is generated by using a combination of device mac addresses and the bundle ID. The user also added the ability to set a delegate to handle event uploading and implemented a flag for automatically sending the device model as a super property. The user also addressed memory leaks and improved the handling of background tasks.
cocoapodsanalyticsobjective-cmixpanel-iphonemixpanel-sdk
elfredpagan/Adv360-Pro-ZMK
Feb 2023 - Jan 2025
Production repository for the all-new Advantage360 Professional using ZMK engine
Contributions:2 pushes in 1 year 11 months
professionalproductionzmk
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